<span>Most sandstone is composed of quartz or feldspar </span>
Answer:
The correct answer is option - a virus.
Explanation:
Viruses are the infectious agents that are neither considered living nor nonliving organisms. The viruses possess the genetic material enclosed in the capsid made up of the proteins.
Genetic material or the genome of the viruses could be the DNA or the RNA as single or double-stranded forms. The viruses with RNA as genetic material termed as the adenoviruses such as tobacco mosaic viruses and HIV and others.
Thus, the correct answer is option - a virus.
A,C, D.. Those are correct ..
Involuntary, meaning things in the body such as your heart is all regulated to act unconsciously while also receiving directives from the brain.